<3>Enthalpy difference chamber\Enthalpy difference laboratory
1. Enthalpy difference chamber\Enthalpy difference laboratory
Design basis
B/-.
This technical agreement. 2. Enthalpy difference chamber test items
Steady state rated cooling
Steady state rated heat pump heating, low temperature heat pump heating, ultra-low temperature heat pump heating
3. Electric heating rated heating< br/>And can provide environmental conditions for the following type tests:
Maximum operation of refrigeration, minimum operation of refrigeration
Maximum operation of heat pump heating, minimum operation of heating
Condensation
Condensation
Freezing
Defrosting
3. Enthalpy difference chamber specifications
Refrigeration capacity test range: ~
Heating capacity test range: ~
3. Air volume test range :~
Working condition control accuracy: Within .℃ under standard test working conditions, within 3℃ under other test working conditions. When automatic defrosting, follow the national standard.
Accuracy of test results: Compared with the standard window machine (the standard machine itself is better than...), the error is within 3, and the reproduction accuracy of three consecutive measurements of one installed machine is . 4. Control parameters
Dry bulb temperature control inside the room
Temperature control range: ~℃
Measurement uncertainty: .℃
Control accuracy: .℃
Temperature Sensor level
Temperature transmitter: - ℃～℃/～
Data acquisition:
Regulator: digital regulator, by regulating electric heating
Enthalpy difference chamber\Enthalpy difference laboratory DMS